//: concurrency/Daemons.java
package concurrency; /* Added by Eclipse.py */

// Daemon threads spawn other daemon threads.
import java.util.concurrent.*;
import static net.mindview.util.Print.*;

class Daemon implements Runnable {
	private Thread[] t = new Thread[10];

	public void run() {
		for (int i = 0; i < t.length; i++) {
			t[i] = new Thread(new DaemonSpawn());
			t[i].start();
			printnb("DaemonSpawn " + i + " started, ");
		}
		print();
		for (int i = 0; i < t.length; i++)
			printnb("t[" + i + "].isDaemon() = " + t[i].isDaemon() + ", ");
		while (true)
			Thread.yield();
	}
}

class DaemonSpawn implements Runnable {
	public void run() {
		while (true)
			Thread.yield();
	}
}

public class Daemons {
	public static void main(String[] args) throws Exception {
		Thread d = new Thread(new Daemon());
		d.setDaemon(true);
		d.start();
		print("d.isDaemon() = " + d.isDaemon() + ", ");
		// Allow the daemon threads to
		// finish their startup processes:
		TimeUnit.SECONDS.sleep(1);
	}
} /* Output: (Sample)
d.isDaemon() = true, DaemonSpawn 0 started, DaemonSpawn 1 started, DaemonSpawn 2 started, DaemonSpawn 3 started, DaemonSpawn 4 started, DaemonSpawn 5 started, DaemonSpawn 6 started, DaemonSpawn 7 started, DaemonSpawn 8 started, DaemonSpawn 9 started, t[0].isDaemon() = true, t[1].isDaemon() = true, t[2].isDaemon() = true, t[3].isDaemon() = true, t[4].isDaemon() = true, t[5].isDaemon() = true, t[6].isDaemon() = true, t[7].isDaemon() = true, t[8].isDaemon() = true, t[9].isDaemon() = true,
*///:~
